CVE-2002-0698

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 20.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2002-08-12 · updated 2026-06-16
Weakness: CWE-120

Description

Buffer overflow in Internet Mail Connector (IMC) for Microsoft Exchange Server 5.5 allows remote attackers to execute arbitrary code via an EHLO request from a system with a long name as obtained through a reverse DNS lookup, which triggers the overflow in IMC's hello response.

Affected products

Microsoft Exchange Server: 5.5, 5.5-sp1, 5.5-sp2, 5.5-sp3, 5.5-sp4

References

http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=20759
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ326322
http://www.iss.net/security_center/static/9658.php
http://www.securityfocus.com/bid/5306
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-037
http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=20759
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ326322
http://www.iss.net/security_center/static/9658.php
http://www.securityfocus.com/bid/5306
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-037

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